U.S. advisers support expanding covid boosters to all adults
U.S. regulators have opened up covid-19 booster shots to all adults on Friday, letting them choose another dose of either the Pfizer or Moderna vaccine.
WASHINGTON — The U.S.government on Friday moved to open up covid-19 booster shots to all adults, expanding efforts to get ahead of rising coronavirus cases that experts fear could snowball into a wint…
